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Explain your reasoning. Card #1

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Ms. Skipper drove 9.65 kilometers (km) when she went to visit her grandmother. Mr. Bridges drove 96500 meters(m) to visit his daughter in college. If they drive the same car, who needed more gas for the trip? Explain your reasoning. Card #2

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Explain your reasoning. Michael and Haley both played in the little league baseball game last night. Michael hit the ball 229 meters(m). Haley hit the ball 2290 centimeters (cm). Both students believe that they hit the ball farther than the other. Who is correct? Card #3

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Explain your reasoning. Allison and David raced each other to see who could run a farther distance in 10 minutes. Allison ran 8960 decimeters (dm) and David ran 896000 millimeters (mm) in that time. Who ran a farther distance? Card #4

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Michelle was training for the Olympics. She wants to compete in the 1500 meters (m) race. Her friend Taylor told her that is same distance as 15 centimeters (cm). Michelle told Taylor she is wrong. Explain Taylors mistake in converting from meters to centimeters (cm). Card #5

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Answer Key For Task Cards Card #1 – 78.4m is equal to 7840cm (multiply by 100) or 784cm is equal to 7.84m (divide by 100) Tina needs more string. Card #2 – 9.65km is equal to 9650m (multiply by 1000) or 96500m is equal to 96.5m (divide by 1000) Mr. Bridges drove a farther distance and needs more gas. Card #3 – 229m is equal to 22900cm (multiply by 100) or 2290cm is equal to 22.90m Michael is right. He hit the ball a farther distance. Card #4 – 8960dm is equal to 896000mm 896000mm is equal to 8960dm Allison and David ran the same distance. Card #5 - Taylor was converting 1500 meters to centimeters. She needs 100cm for every meter and will need to multiply 1500 by 100 to find the number of centimeters that will be the same distance. Taylor divided instead, which you would do when converting from smaller units to larger units.

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1 Chapter 1Measurements 1.5 Prefixes and Equalities Copyright © 2009 by Pearson Education, Inc.

1 Chapter 1Measurements 1.5 Prefixes and Equalities Copyright © 2009 by Pearson Education, Inc.

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